● Dimensions (shaft diameter/length): Φ18 x 80.5 ● Materials: Body = PC, Clip = Stainless Steel ● Specifications: Emitting part = Visible light semiconductor laser, Wavelength = 650nm (red light) ● Maximum output: 1mW (Class 2) ● Weight: Approximately 40g (including batteries) ● Beam reach: Approximately 50m (when used at night) ● Beam diameter: Approximately 5mm (at a distance of 3m) ● Battery life: <When using alkaline batteries> Continuous use time: 8 hours ● Illumination: Lights up only while the laser button is pressed ● Other: Lead-free solder used ● Product color: Black